.top{margin-bottom:30px;}.top li{margin-left:5%;margin-right:5%;margin-top:10px;line-height:120%;list-style-position:outside;} Power meter platform is entirely contained within the DUB spindle for clean integration that fits more bikes than ever. DUB-PWR spindle-based unit measures left side power to calculate total watts Long battery life (400+ hours) to power a season of rides User replaceable lithium AAA battery DUB bottom bracket adds durability and simplicity Waterproof (IPX7 waterproof to 1 meter for 30 mins) Lightweight (less than 40g heavier than standard crankset) SRAM Model ID: PM-RIV-1W-D1table{border-collapse:collapse;width:100%;}td{text-align: left;padding: 8px;font-weight:350;}tr:nth-child(even){background-color:#f2f2f2}th{background-color:#eb212e;color:white;text-align:left;padding:8px;}.desc ul{font-size:24px;font-weight:600;margin-left:-25px;padding-top:35px;border-top:3px solid #f0f0f0;}.desc li{list-style:none;border-bottom:4px solid #eb212e;width:142px;} TECH SPECSBB InclusionNoChainline47.5mmTeeth46ConnectivityANT+ BT LECrank Spindle Diameter28.99mmCrank Arm Length175mmInterfaceDUBCrankset MaterialAluminumPedals Thread9/16Primary ColorBlackSpeed12Drivetrain SpacingRoad Disc